The main focus of researchers of South Africa was on sterol glycosides, a compound present in Hoodia. In powder form, Hoodia gordonii consists of biologically active substances, antioxidants, organic materials and fiber. Hoodia has left such a good impression on pharmaceutical industry that a lot of deals have been finalized to make various food additives and drugs from Hoodia constituents.

There are no harmful stimulants present in Hoodia but it contains certain substances that affect nerve cells in a similar manner as glucose does. Various clinical laboratory experiments have proved that Hoodia is highly effective when it comes to weight control.